Naming Transition Metal Compounds Transition metals?are characterized by having?variable oxidation numbers. Oxidation numbers?can be used in the names of compounds to indicate which?oxidation numbe...
Oxidizing & Reducing Agents Oxidising agent An oxidising agent?is a substance that?oxidises?another atom or ion by causing it to lose electrons An oxidising agent itself gets?reduced – gains el...
Deducing Oxidation Numbers The oxidation numbers of all other atoms in their compounds can vary By following the oxidation number rules, the oxidation number of any atom in a compound or ion can be...
Oxidation & Reduction There are three definitions of?oxidation?and?reduction? used in different branches of chemistry Oxidation?and?reduction?can be used to describe any of the following proces...
Reducing Sulfur Oxide Emissions The removal of sulfur from fossil fuels can either take place?pre-combustion?or?post-combustion The oxides of sulfur,?SO2?and?SO3, are both?acidic?and?toxic gases? S...
Effects of acid deposition Effect on materials Acid deposition?can react with metals and rocks (such as?limestone) causing buildings and statues to get damaged The impact of acid deposition can be ...
Acid Deposition What is acid deposition? Rain is naturally acidic because of dissolved CO2?which forms?carbonic acid H2O (l) + CO2?(g) ??? H2CO3?(aq) Carbonic acid?is a?weak acid?and dissociates in...
Comparing Strong & Weak Acids Strong and weak acids can be distinguished from each other by their: pH value?(using a pH meter or universal indicator) Electrical conductivity Reactivity pH value...
Strong & Weak Acids & Bases Strong acids A?strong acid?is an acid that?dissociates?almost?completely?in aqueous solutions HCl (hydrochloric acid), HNO3?(nitric acid) and H2SO4?(sulfuric aci...
